import junit.framework.TestCase;




public class liczbaTestJu3 extends TestCase {
	liczba x;
	public void setUp(){
		x = new liczba(7);
	}
public void testI(){
	assertNotNull(x);
}
public void testII(){
	assertEquals(""+111,x.zamiana(2));
}
public void testIII(){
	assertSame(16, x.znak.length);
}
public void testIV(){
	assertNull(x);
}
public void testV(){
	assertTrue(x.n > 0);
}
}
